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情報システム(インフラ担当)／社内システム開発・運用
In-house IT infrastructure engineer at TOKICO System Solutions, an Iwatani subsidiary manufacturing hydrogen dispensers. Day to day: design, build, and run corporate networks, on-prem/cloud servers (AWS/Azure/GCP), backup, monitoring, and security (UTM/firewall, EDR), plus helpdesk and vendor management. Flextime with core hours 10:00-15:00.
サイバーセキュリティ／社内システム開発・運用
------------------------------------------------ ■ この求人のポイント ------------------------------------------------ りそなグループの100％子会社！国内トップクラスの金融サービスを支えるセキュリティ環境を構築しませんか…
Webアプリ開発（リーダー候補）／プロジェクトマネジャー・リーダー(WEB・オープン・モバイル系）
At a Tokyo-based, TSE Prime-listed AI/IoT company, you'd develop and maintain the core remote-control and screen-sharing features of its own products (Windows C/C++ first, expanding to Mac/iOS/Android) while leading and mentoring a 4-5 person team, coordinating priorities with planning/business units, and improving dev processes with AI coding tools.
社内SE／社内システム開発・運用
In-house SE/helpdesk role at Morimura SSP, an Osaka-based materials manufacturer (FRP, resins, glass fiber). Day to day: setting up Windows PCs and iPhones for employees, managing business-app accounts and licenses, handling IT inquiries, writing manuals, and running staff IT training sessions using Google Workspace, Salesforce, Slack and similar tools.
SE（技術検討・仕様策定）／システムエンジニア(通信制御ソフト開発／制御系)
Systems engineer at Seibu Electric, a TSE Standard-listed mechatronics maker, designing fully custom logistics conveyance systems: technical studies, cost estimation, specification definition, and sales support. Based at the Osaka branch; requires material-handling design/SE experience plus AutoCAD and office software skills.
ITエンジニア／プログラマー（WEB・オープン・モバイル系）
Osaka-based contract software developer with 100% in-office development (no client-site dispatch) and 70% direct end-user deals. Engineers work as PG/SE with heavy upstream involvement (requirements definition and design), e.g., building a VB.NET manufacturing order/sales system in small teams, with minimal overtime.
Androidエンジニア／システムエンジニア（アプリ設計／WEB・オープン・モバイル系）
Develops and maintains Android apps for the company's in-house POS/sales-management platform 'CASHIER' — self-checkout registers, ticket machines, table ordering and pre-order pickup for retail, F&B and events, including credit card, e-money and QR payment features. Built with Kotlin, Jetpack Compose and Android SDK, covering design through release.
ＩＴエンジニア／サーバ設計・構築（LAN・WAN・インターネット）
IT engineer at Kyoei Systems (SES group company of listed KYCOM Holdings), embedded at client sites to design, build, and operate IT systems and infrastructure (Windows/Linux, VMware, AWS/Azure) and develop software in Java, C#, Python, etc. Entry-level friendly, with 2 months of group training plus OJT.
制御開発／システムエンジニア(マイコン・計測・画像等／制御系)
Servo control engineer at Toshiba Device & Storage: analyzes specs, designs head-positioning control algorithms for HDDs, implements them in C, and evaluates, debugs and tunes on real hardware through to product release. Core skills: C, embedded/control systems, MATLAB/Simulink.
営業／プリセールス・セールスエンジニア
------------------------------------------------ ■ この求人のポイント ------------------------------------------------ 高い技術力と風通しの良さが魅力。年齢や社歴を問わず活発に意見が飛び交う、長く安心して働ける環境です！…
ITエンジニア／システムエンジニア（アプリ設計／WEB・オープン・モバイル系）
Systems engineer at Top Engineering (core company of a TSE-listed group) doing design, development, testing, maintenance and migration of financial/telecom systems, plus internal-system work such as RPA and efficiency tooling. Tech stack spans Java, Python, C-family languages, and cloud (AWS/Azure), assigned to client projects mainly in Tokyo/Kanagawa.
モバイルエンジニア／システムエンジニア（アプリ設計／WEB・オープン・モバイル系）
Mobile engineer at TSE Prime-listed OPTiM in Tokyo, developing iOS (Swift/Objective-C) and Android (Kotlin/Java) apps for in-house products like OPTiM Taglet and AI Camera — covering planning, design, implementation, testing, upstream requirements work, and using generative AI (Claude) to boost development efficiency. Hybrid work: 3+ office days, up to 2 remote days.
開発SE／システムエンジニア（アプリ設計／WEB・オープン・モバイル系）
System engineer who handles requirements definition and upper-level design through development of mission-critical systems for major Japanese manufacturers, such as automotive control, railway operation management, and power plant monitoring systems. Works with Java/JavaScript/TypeScript and Angular/React/Vue, or C/C++/C# on Linux.
システムエンジニア／社内システム開発・運用
------------------------------------------------ ■ この求人のポイント ------------------------------------------------ 【りそなグループの100％子会社】最先端技術に触れながら、エンジニアとして大きく成長しませんか？…